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Science 6
6 week assessment
| Question | Answer |
|---|---|
| Meter | m Length 1,000 m in a km width of a desk |
| Centimeter | cm Length 100 cm in a m length of a finger |
| Millimeter | mm length 10 mm in a cm a penny |
| Gram | g mass 1,000 g in a kg a paperclip |
| Cubic Centimeter | cm3 volume of solids 1 mL = 1 cm3 a cereal box |
| LIter | L volume of liquid 1,000 L in a kL large bottle of pop |
| Milliliter | mL volue of a liquid 1,000 mL in a L grape |
| What is the definition of graduated cylinder? | a scientific tool to measure the volume of liquids |
| What is the definition of triple-beam balance? | a scientific tool to measure mass |
| What is the definition of density? | is the amount of matter that an object has in the space it takes up |
| What is the definition of volume displacement | the process used to find the volume of an irregular solid object, like a rock |
| What is the density of fresh water? | 1.00 g/mL |
| What is the definition of observation? | is the process of obtaining information by using the 5 senses; ex. smelling garbage |
| What is the definition of inference? | is a conclusion reached on the basis of evidence and reasoning; ex. the baby is crying because it is hungry |
| What is the definition of prediction? | what you think will happen next or as a result of your action; ex. If I fall from 50 feet, I will brake something |
| What is the definition of classification? | dividing things in groups by their characteristics; ex. some babies are easy-going, and some are fussy |
| What is the definition of problem? | a question or statement about an observation; ex. Which brand of fertilizer will, make bean plants grow faster? |
| What is the definition of hypothesis? | is a testable idea or explanation that leads to scientific investigation; ex. Miracle-Gro fertilizer will make bean plants grow faster |
| What is the definition of independent variable? | is in an experiment, the factor that is deliberately manipulated; ex. The brand of fertilizer |
| What is the definition of dependent variable? | is in an experiment, the factor that changes as a result of manipulation of one or more factors; ex. the rate or amount of plant growth |
| What is the definition of control? | Part of an experiment without the independent variable. Used for comparison; ex. a bean plant grown without fertilizer |
| What is the definition of conclusion? | a summary of the data you have taken; ex. Meijer brand fertilizer actually made bean plants grow faster. |
| The Moho(Mohorovicic discontinuity) is located between Earth's crust and the ________. | Mantle |
| Made of iron and nickel, the _______ is located at the center of Earth. | Core |
| Earth's tectonic plates are made out of chunks of the _________, which is made up of the crust and rigid upper mantle. | lithosphere |
| The force of attraction between all objects in the Universe is called_________. | gravity |
| A lake is an example of a _______ system because both matter and energy are exchanged with the surroundings. | open |
| A _________ system is one in which only energy is exchanged with the surroundings. | closed |
| The mostly solid, rocky part of the Earth is called the __________. | geosphere |
| Water evaporating from a lake into the air is an example of the hydrosphere affecting the ___________. | atmosphere |
| According to the ______ law of thermodynamics, energy is neither created nor destroyed. | First |
| The Earth's main internal energy source is _________ _______. This causes heat from the core to move through the mantle by the process of ___________. | radioactive decay convection |
| Earth's main external energy source is the _________. | sun |
| In the nitrogen cycle, atmospheric nitrogen is fixed by __1__ in the soil and roots of plants. The nitrogen compounds are then used by plants to make __2__ Animals eat the __3__ and the proteins are used to make muscle in their bodies.. | 1. bacteria 2. proteins 3.plants |
| Nitrogen is returned to the soil through animal waste or when organisms die and ______. | decay |
| In the carbon cycle, plants take carbon dioxide out of the air through __1__. The carbon is turned into __2__, which are building materials for the plant. | 1. photosynthesis 2. carbohydrates |
| Animals eat the ______ and break down the carbohydrates, which releases some of the carbon back to the atmosphere as CO2. | plants |
| True or False: Humans need nitrogen in the form of amino acids to make proteins. | true |
| Why is Earth considered a closed system? | very limited exchange of matter mostly just energy |
| Which 2 gases make up most of our atmosphere? | nitrogen and oxygen |
| What is an appropriate label for the volume of a liquid, such as a glass of water? | mL |
Created by:
morganvanderleest
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